Signal processing device and signal processing method

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United States of America Patent

PATENT NO 11863212
APP PUB NO 20220286150A1
SERIAL NO

17681125

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Abstract

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A signal processing device includes: a processor; and a memory having instructions. When executed by the processor, the instructions cause the signal processing device to perform operations including: converting a first signal that is a time domain signal into a second signal that is a frequency domain signal in response to reception of the first signal, the first signal containing noise superimposed on a broadcast electric signal derived from a broadcast electromagnetic wave, the noise having peaks of amplitude at regular frequency intervals in the frequency domain; calculating a frequency interval between the peaks of the noise in the frequency domain based on a correlation of the second signal; determining a frequency shift amount in the frequency domain based on the frequency interval; and shifting a frequency of the second signal by the frequency shift amount to create a frequency-shifted signal.

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Patent Owner(s)

Patent OwnerAddress
PANASONIC AUTOMOTIVE SYSTEMS CO LTD4261 IKONOBE-CHO TSUZUKI-KU YOKOHAMA-SHI KANAGAWA 224-8520

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujishima, Tomoyasu Kanagawa, JP 27 425
Hirano, Takayuki Kanagawa, JP 86 565
Ikeda, Shunsuke Kanagawa, JP 10 40
Miyashita, Wataru Tokyo, JP 7 9

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